-er -ic c-- ccc cce ccg cch cci ccr ccs ce- cec cee ceg ceh cei cer ces cgc cge cgg cgh cgi cgr cgs ch- chc che chg chh chi chr chs ci- cic cie cig cih cii cir cis crc cre crg crh cri crr crs csc cse csg csh csi csr css ec- ecc ece ecg ech eci ecr ecs eec eee eeg eer ees egc ege egg egh egi egr egs ehc ehe ehg ehh ehi ehr ehs eic eie eig eii eir eis erc ere erg erh eri err ers es- esc ese esg esh esi esr ess gcc gce gcg gch gci gcr gcs ge- gec gee geg geh gei ger ges ggc ggg ggh ggi ggr ggs ghc ghe ghg ghh ghi ghr ghs gic gie gig gih gii gir gis grc gre grg grh gri grr grs gsc gse gsg gsi gsr gss h-i hcc hce hcg hch hci hcr hcs he- hec hee heg heh hei her hes hgc hge hgg hgh hgi hgr hgs hhc hhe hhg hhh hhi hhr hhs hic hie hig hih hii hir his hr- hrc hre hrg hrh hri hrr hrs hsc hse hsg hsh hsi hsr hss icc ice icg ich ici icr ics ie- iec iee ieg iei ier ies igc ige igg igh igi igr igs ihc ihe ihg ihh ihi ihr ihs iic iie iih iii iir iis ir- irc ire irg iri irr irs is- isc ise isg ish isi isr iss rcc rce rcg rch rci rcr rcs re- rec ree reg reh rei rer res rgc rge rgg rgh rgi rgr rgs rh- rhc rhe rhg rhh rhi rhr rhs ric rie rig rih rii rir ris rrc rrg rrh rri rrr rrs rsc rse rsg rsh rsi rsr rss scc sce scg sch sci scr scs se- sec see seg seh sei ser ses sgc sge sgg sgh sgi sgr sgs sh- shc she shg shh shi shr shs sic sie sig sih sii sir sis sr- src sre srg srh sri srr srs ss- ssc sse ssg ssh ssi ssr sss